Rockford Gtr Rockford Ap, Illinois
  ID: USW00094822  Latitude:  42.1928  Longitude:  -89.0931
  Elevation: 730 feet ( 222.5 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 37.24 in., 14.66 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Rockford Gtr Rockford Ap, Illinois
  Monthly Data from NOAA Monthly Normals 2006-2020
  
  
    Imperial Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °F | 
    30.1 | 
    32.1 | 
    47.2 | 
    60.1 | 
    72.1 | 
    81.2 | 
    84.7 | 
    82.6 | 
    76.2 | 
    62.5 | 
    48.1 | 
    35.1 | 
    
          
      | Minimum Temperature | 
      °F | 
    14.8 | 
    15.5 | 
    28.8 | 
    38.4 | 
    49.9 | 
    59.8 | 
    63.9 | 
    61.8 | 
    54.4 | 
    42.0 | 
    30.6 | 
    20.6 | 
    
      
      
          
      | Heating Degree Days | 
      °F | 
    1318.9 | 
    1153.2 | 
    840.0 | 
    475.3 | 
    181.5 | 
    17.8 | 
    3.4 | 
    5.6 | 
    90.0 | 
    406.5 | 
    769.9 | 
    1151.5 | 
    
          
      | Cooling Degree Days | 
      °F | 
    0.0 | 
    0.0 | 
    2.8 | 
    2.9 | 
    57.4 | 
    182.7 | 
    291.6 | 
    228.7 | 
    98.9 | 
    11.3 | 
    0.4 | 
    0.0 | 
    
          
      | Precipitation | 
      I | 
    1.6 | 
    1.8 | 
    2.8 | 
    4.0 | 
    3.9 | 
    5.5 | 
    4.3 | 
    4.5 | 
    3.6 | 
    3.1 | 
    2.0 | 
    2.4 | 
    
  
   
  
  
  
  
    Metric Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °C | 
    -1.1 | 
    0.1 | 
    8.4 | 
    15.6 | 
    22.3 | 
    27.3 | 
    29.3 | 
    28.1 | 
    24.6 | 
    16.9 | 
    8.9 | 
    1.7 | 
    
          
      | Minimum Temperature | 
      °C | 
    -9.6 | 
    -9.2 | 
    -1.8 | 
    3.6 | 
    9.9 | 
    15.4 | 
    17.7 | 
    16.6 | 
    12.4 | 
    5.6 | 
    -0.8 | 
    -6.3 | 
    
      
      
          
      | Heating Degree Days | 
      °C | 
    714.9 | 
    622.9 | 
    448.9 | 
    246.3 | 
    83.1 | 
    -7.9 | 
    -15.9 | 
    -14.7 | 
    32.2 | 
    208.1 | 
    409.9 | 
    621.9 | 
    
          
      | Cooling Degree Days | 
      °C | 
    -17.8 | 
    -17.8 | 
    -16.2 | 
    -16.2 | 
    14.1 | 
    83.7 | 
    144.2 | 
    109.3 | 
    37.2 | 
    -11.5 | 
    -17.6 | 
    -17.8 | 
    
          
      | Precipitation | 
      M | 
    4.1 | 
    4.7 | 
    7.1 | 
    10.1 | 
    10.0 | 
    14.0 | 
    10.9 | 
    11.5 | 
    9.1 | 
    7.8 | 
    5.2 | 
    6.0 |